In Constructing a 90% Interval Estimate for the Ratio of Two

question 10

Multiple Choice

In constructing a 90% interval estimate for the ratio of two population variances, , two independent samples of sizes 40 and 60 are drawn from the populations. If the sample variances are 515 and 920, then the lower confidence limit is:

• A) 0.352
• B) 0.341
• C) 0.890
• D) 0.918
• E) 0.245

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